4B7P

Structure of HSP90 with NMS-E973 inhibitor bound


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.70 Å
  • R-Value Free: 0.197 
  • R-Value Work: 0.174 
  • R-Value Observed: 0.175 

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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

Nms-E973, a Novel Synthetic Inhibitor of Hsp90 with Activity in Models of Drug Resistance to Targeted Agents, Including Intracranial Metastases.

Fogliatto, G.Gianellini, L.M.Brasca, M.G.Casale, E.Ballinari, D.Ciomei, M.Degrassi, A.De Ponti, A.Germani, M.Guanci, M.Paolucci, M.Polucci, P.Russo, M.Sola, F.Valsasina, B.Visco, C.Zuccotto, F.Donati, D.Felder, E.Pesenti, E.Mantegani, S.Galvani, A.Isacchi, A.

(2013) Clin Cancer Res 19: 3520

  • DOI: 10.1158/1078-0432.CCR-12-3512
  • Primary Citation of Related Structures:  
    4B7P

  • PubMed Abstract: 
  • Recent developments of second generation Hsp90 inhibitors suggested a potential for development of this class of molecules also in tumors that have become resistant to molecular targeted agents. Disease progression is often due to brain metastases, sometimes related to insufficient drug concentrations within the brain ...

    Recent developments of second generation Hsp90 inhibitors suggested a potential for development of this class of molecules also in tumors that have become resistant to molecular targeted agents. Disease progression is often due to brain metastases, sometimes related to insufficient drug concentrations within the brain. Our objective was to identify and characterize a novel inhibitor of Hsp90 able to cross the blood-brain barrier (BBB).


    Organizational Affiliation

    Department of Biotechnology, Nerviano Medical Sciences Srl, Nerviano (MI), Italy. gianpaolo.fogliatto@nervianoms.com



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
HEAT SHOCK PROTEIN HSP 90-ALPHAA230Homo sapiensMutation(s): 0 
Gene Names: HSP90AA1HSP90AHSPC1HSPCA
UniProt & NIH Common Fund Data Resources
Find proteins for P07900 (Homo sapiens)
Explore P07900 
Go to UniProtKB:  P07900
PHAROS:  P07900
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
9UN (Subject of Investigation/LOI)
Query on 9UN

Download Ideal Coordinates CCD File 
B [auth A]5-[2,4-dihydroxy-6-(4-nitrophenoxy)phenyl]-N-(1-methylpiperidin-4-yl)-1,2-oxazole-3-carboxamide
C22 H22 N4 O7
YLQODGGPIHWTHR-UHFFFAOYSA-N
 Ligand Interaction
Binding Affinity Annotations 
IDSourceBinding Affinity
9UN Binding MOAD:  4B7P Kd: 0.35 (nM) from 1 assay(s)
PDBBind:  4B7P Kd: 0.35 (nM) from 1 assay(s)
BindingDB:  4B7P Kd: 0.35 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.70 Å
  • R-Value Free: 0.197 
  • R-Value Work: 0.174 
  • R-Value Observed: 0.175 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 52.746α = 90
b = 44.042β = 115.59
c = 53.621γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling

Structure Validation

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Ligand Structure Quality Assessment  



Entry History 

Revision History  (Full details and data files)

  • Version 1.0: 2013-05-29
    Type: Initial release
  • Version 1.1: 2013-07-17
    Changes: Database references